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In short, Light Amplification by Stimulated Emission of Radiation. Now, to explain. In a laser, there is something called a MEDIUM. This is where the photons are made. In all substances, there are atoms. In the atoms, there are electrons. The electrons are on orbits around the nucleus of an atom. There are more than one orbiting each atom. The electrons are EXCITED by getting hit by photons. The electrons absorb the energy from the photons they are hit by. To be on a certain orbit, the electron needs to have a certain amount of energy. When an electron is hit by a photon, it GAINS ENERGY so is jumps up to another orbit, because it has too much energy to stay on it's normal orbit. The electrons, though, ALWAYS have to go back to their original orbit (a law of physics) and in doing so, it needs to release energy in the form of a photon. Mirrors focus the light and it then comes out of the gun. There are more factors, but they are complicated and I cannot explain them for now. The main thing is the Excitation of the electrons then the release of the photons.
What else can I help you with?
Who Invented laser guns?
the laser was invented.....
What are semiconductor diode laser describe with energy band diagram the construction and working of a semiconductor diode laser?
construction and working of semiconductor laser
Can a laser cut through the moon?
If the laser is in Hollywood it is possible, anywhere else in the world? no, impossible
Difference between light emitting diode and laser?
LEDs, known as light emitting diodes, are comprised of two lead semiconductor light sources. Laser transmitters, also known as laser diodes are comprised of an electrically charged semiconductor laser.
What is required to turn a LED into a laser diode?
you can't. they are two different things. however you might be able to focus it to a small point with a lens. It is possible to use an array of hundreds or thousands of high intensity LEDs to pump a dye LASER. But this does not make the LED itself a LASER, just the source of energy for a different type of LASER.
How is a laser printer used?
It works throug laser
How does the laser works?
The laser works by reflecting and amplifying a beam of light through a tube of mirrors.
Where is it possible to learn about laser systems?
You can learn about laser systems at Universal Laser Systems, Palomar, Laser Learning, Laser Star, E Science News, Lensar, CMS Laser, How Stuff Works and Telesis.
How does a CD-ROM work?
CD-ROM works on the principle of the LASER and it is a major application of the LASER
Was Albert Einstein the first one to invent the laser?
Einstein did not invent a laser. His works in physics laid the foundation for the developement of the laser however.
How does varicose vein laser treatment work?
Laser therapy is one means of treating varicose veins. The laser works to destroy and damage the vein. The laser closes the vein preventing it from spreading further.
Where can one find information on how laser eye surgery works?
Information about laser eye surgery can be found at All About Vision, Visualase and Eye Care America. The laser surgery and health section of How Stuff Works has several tutorials and frequently asked questions about the procedure.
What is the function of laser combs?
A laser comb is used to stimulate hair growth. It works on the function of phototherapy and uses a laser frequency concentrated on your head to increase the blood flow to your scalp.
Can i connect the Lexmark E120N Laser Printer to my wireless network?
yes you can connect the Lexmark E120N Laser Printer to your wireless network, it works great.
Can a laser printer print white?
No, a laser printer cannot print white because it works by applying toner (which is usually black) onto the paper.
How does the laser ranging device work?
A laser-rang device works by using a laser beam to find horizontal fault movements. It can also use the laser beam to travel to a reflector and then back. Thus, the device can detect any change in distance to the reflector.
What is laser eiplation used for?
Laser epilation is used for the removal of hair. Laser hair removal has been around since the mid 1990's , and is growing in popularity due to it's speed and how well it works.
